Intent to Remove: Element.prefix setter
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Philip Jägenstedt
Oct 31, 2014, 8:50:18 AM10/31/14
to blink-dev
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Link to “Intent to Deprecate” thread
https://groups.google.com/a/chromium.org/d/msg/blink-dev/Tu9pL7gMPyo/f-eYf_AkpQMJ
The deprecation was in M37, which reached stable a little over two months ago.
Summary
In Element.idl, make attribute DOMString prefix readonly.
Motivation
The attribute is readonly in the spec:
https://dom.spec.whatwg.org/#element
Ad-hoc testing shows that none of Firefox, IE or Presto support the setter:
http://software.hixie.ch/utilities/js/live-dom-viewer/?saved=3042
Usage information from UseCounter
https://www.chromestatus.com/metrics/feature/timeline/popularity/224
Entry on chromestatus.com
None.
Compatibility Risk
Element.prefix has to do with namespaces, so old XML-based Web apps seem most likely to use it. Since IE doesn't support the setter that doesn't seem very likely.
Dimitri Glazkov
Oct 31, 2014, 12:46:52 PM10/31/14
to Philip Jägenstedt, blink-dev
LGTM.
Philip Rogers
Oct 31, 2014, 4:42:38 PM10/31/14
to Dimitri Glazkov, Philip Jägenstedt, blink-dev
LGTM
Chris Harrelson
Nov 4, 2014, 11:56:56 AM11/4/14
to Philip Rogers, Dimitri Glazkov, Philip Jägenstedt, blink-dev
LGTM
LGTM
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